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author | Alex Bennée <alex.bennee@linaro.org> | 2023-08-31 09:45:16 +0100 |
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committer | Peter Maydell <peter.maydell@linaro.org> | 2023-08-31 09:45:16 +0100 |
commit | 9e771a2fc68d98c5719b877e008d1dca64e6896e (patch) | |
tree | 45efb3c1f01ffea86d0abd2a218e0283d984854f | |
parent | df9a391757c7fc5a6c88f6d32b82d6f2f860bd1d (diff) | |
download | qemu-9e771a2fc68d98c5719b877e008d1dca64e6896e.zip qemu-9e771a2fc68d98c5719b877e008d1dca64e6896e.tar.gz qemu-9e771a2fc68d98c5719b877e008d1dca64e6896e.tar.bz2 |
target/arm: properly document FEAT_CRC32
This is a mandatory feature for Armv8.1 architectures but we don't
state the feature clearly in our emulation list. Also include
FEAT_CRC32 comment in aarch64_max_tcg_initfn for ease of grepping.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20230824075406.1515566-1-alex.bennee@linaro.org
Cc: qemu-stable@nongnu.org
Message-Id: <20230222110104.3996971-1-alex.bennee@linaro.org>
[PMM: pluralize 'instructions' in docs]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
-rw-r--r-- | docs/system/arm/emulation.rst | 1 | ||||
-rw-r--r-- | target/arm/tcg/cpu64.c | 2 |
2 files changed, 2 insertions, 1 deletions
diff --git a/docs/system/arm/emulation.rst b/docs/system/arm/emulation.rst index 2012bbf..2e6a7c8 100644 --- a/docs/system/arm/emulation.rst +++ b/docs/system/arm/emulation.rst @@ -14,6 +14,7 @@ the following architecture extensions: - FEAT_BBM at level 2 (Translation table break-before-make levels) - FEAT_BF16 (AArch64 BFloat16 instructions) - FEAT_BTI (Branch Target Identification) +- FEAT_CRC32 (CRC32 instructions) - FEAT_CSV2 (Cache speculation variant 2) - FEAT_CSV2_1p1 (Cache speculation variant 2, version 1.1) - FEAT_CSV2_1p2 (Cache speculation variant 2, version 1.2) diff --git a/target/arm/tcg/cpu64.c b/target/arm/tcg/cpu64.c index 11e406d..0f89729 100644 --- a/target/arm/tcg/cpu64.c +++ b/target/arm/tcg/cpu64.c @@ -788,7 +788,7 @@ void aarch64_max_tcg_initfn(Object *obj) t = FIELD_DP64(t, ID_AA64ISAR0, AES, 2); /* FEAT_PMULL */ t = FIELD_DP64(t, ID_AA64ISAR0, SHA1, 1); /* FEAT_SHA1 */ t = FIELD_DP64(t, ID_AA64ISAR0, SHA2, 2); /* FEAT_SHA512 */ - t = FIELD_DP64(t, ID_AA64ISAR0, CRC32, 1); + t = FIELD_DP64(t, ID_AA64ISAR0, CRC32, 1); /* FEAT_CRC32 */ t = FIELD_DP64(t, ID_AA64ISAR0, ATOMIC, 2); /* FEAT_LSE */ t = FIELD_DP64(t, ID_AA64ISAR0, RDM, 1); /* FEAT_RDM */ t = FIELD_DP64(t, ID_AA64ISAR0, SHA3, 1); /* FEAT_SHA3 */ |